The Collaborative International Dictionary
Acalephan
Acaleph \Ac"a*leph\, Acalephan \Ac`a*le"phan\n.; pl. Acalephs, Acalephans. [See Acaleph[ae].] (Zo["o]l.) One of the Acaleph[ae]. [1913 Webster] ||
Wiktionary
acalephan
n. An acaleph.